Robert B. Kaplan is Emeritus Professor of Applied Linguistics at the University of Southern California. He has published numerous books and articles in refereed journals and written several special reports to government both in the US and elsewhere. He has served as President of the National Association for Foreign Students Affairs, of TESOL, and of the American Association for Applied Linguistics.

Richard B. Baldauf, Jr is Associate Professor of TESOL in the School of Education at the University of Queensland and a member of the Executive of the International Association of Applied Linguistics (AILA). He has published numerous articles in refereed journals and books.